Cyber Threat Investigator/ Hunter

Senior Threat Hunter (Python/Jupyter)

London (Remote)

Permanent

CyberProof is a cyber security services and platform company helping enterprises detect, prioritize, and respond to threats faster and smarter. Part of the UST Global family, we partner with some of the world’s largest organizations to build secure digital ecosystems.

We are seeking a Senior Threat Hunter with strong Python development and Jupyter Notebook expertise to join our managed security services team. This role goes beyond traditional threat hunting, you will design scalable, automated hunting frameworks and develop tools that enable repeatable, high-impact investigations across large telemetry datasets

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The Role

• Conduct hypothesis-driven threat hunts aligned to MITRE ATT&CK, informed by emerging threat intelligence and APT activity
• Hunt proactively across network, endpoint, and cloud telemetry to identify adversary behavior
• Design and maintain Jupyter-based hunting frameworks for execution, enrichment, validation, and reporting

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What you will bring

• Minimum of 5+ years in Threat Hunting, Detection Engineering, or Incident Response
• Strong understanding of attacker TTPs, advanced threat actors, and attack frameworks
• Proven experience hunting across SIEM, EDR, datalake, and cloud (AWS/Azure/GCP) environments
• Strong Python skills, including data analysis libraries (e.g. pandas, MSTICPy)
• Solid knowledge of Windows and Linux systems and network traffic analysis

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Nice to Have

• Advanced use of Jupyter Notebooks for security analytics
• Experience integrating with Microsoft Sentinel, Defender, CrowdStrike, Cybereason, or similar platforms
• Familiarity with CI/CD, automation pipelines, or detection validation tooling
• Relevant certifications (GIAC, OSCP, CEH)

Hurry & apply for a more detailed conversation with our team!

#UST